Vasodilating the cerebral arteries is how the migraines are immediately terminated, most likely by relaxing vascular, arterial smooth muscle
Some "niacin" preparations deliberately don't cause the slightly itchy, reddened skin vasodilation and won't prevent migraines, eg, nicotinamide and inositol, although they are labelled as Niacin
Revenues for migraine monoclonal antibody treatments (erenumab prescription) are about $750/month with only 50% effectiveness for about 30% of Patients
Nicotinic acid treatment of migraines costs only about $.30/tablet but must be started immediately with aura
Recently heard of the most unusual case of a Person who has aura, but doesn't have headaches
He has severe Parkinson's disease
Newly approved ubrelvy is only effective for active migraines ~19% of cases, depending on the dose, and might require over an hour to take effect
"The list price for a dose of ubrelvy is $85
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